删除Dead状态的container:

Error response from daemon: Driver devicemapper failed to remove root filesystem ebbd42547ae4f4059e70740d363edc766f0b79a102d18724787ee44f2d34f161: Device is Busy

>> docker ps -a

得到Dead状态的container的ID XXXX

>> find /var/lib/docker -name *XXXX*

得到一个路径

>> rm -rf 路径

>> service restart docker

这个Dead的container就没有了